/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.airbnb.lottie.utils;

import java.util.concurrent.ScheduledThreadPoolExecutor;

final class LottieDelayExecutor extends ScheduledThreadPoolExecutor {
    private static final int CORE_POOL_SIZE = 1;

    private LottieDelayExecutor() {
        super(CORE_POOL_SIZE, new DiscardPolicy());
    }

    // Lazy initialization via inner-class holder
    private static final class InstanceHolder {
        private static final LottieDelayExecutor INSTANCE = new LottieDelayExecutor();
    }

    static LottieDelayExecutor getInstance() {
        return InstanceHolder.INSTANCE;
    }
}
